Pith Number

pith:IEHGTNZM

pith:2022:IEHGTNZM3LPWTKUZ3PZ6OT2DZM

not attested not anchored not stored refs pending

The Renovated Thacher Observatory and First Science Results

Alejandro Wilcox, Asher Wood, Ben Kelliher, Christopher R. Vyhnal, Colin Kirkpatrick, Connor Lavine, David Rowe, Douglas Klink III, Dylan Jin-Ngo, Feng Lin Cyrus Leung, Gazi Rahman, George Lawrence, Grace Huber, Grace Yang, Greg Stafford, Hadrien Tang, Holland Stacey, Jack Zhang, Jaime Osuna, Jeffrey Ding, Jennifer Yim, John Geyer, Jonathan J. Swift, Julien Luebbers, Justin Myles, Karina Andersen, Kevin Ivarsen, Liam Kirkpatrick, Nick Edwards, Oakley Browning, Paul Gardner, Peter Phipps, Piper Stacey, Richard Hedrick, Ryan J. Foley, Teddy Rosenbaum, Theo J. O'Neill, Toby Arculli, Tomas Fanning, Yao Yin, Yousef Lawrence

arxiv:2203.02529 v1 · 2022-03-04 · astro-ph.IM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEHGTNZM3LPWTKUZ3PZ6OT2DZM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T04:14:20.745082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

410e69b72cdadf69aa99dbf3e74f43cb1a24c217627af496f974a5c24de0b33c

Aliases

arxiv: 2203.02529 · arxiv_version: 2203.02529v1 · doi: 10.48550/arxiv.2203.02529 · pith_short_12: IEHGTNZM3LPW · pith_short_16: IEHGTNZM3LPWTKUZ · pith_short_8: IEHGTNZM

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/IEHGTNZM3LPWTKUZ3PZ6OT2DZM \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 410e69b72cdadf69aa99dbf3e74f43cb1a24c217627af496f974a5c24de0b33c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a218e68e1bc09f51fbf28d239582ad82aa4d2284abf76e0fa858eef2feee7069",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-03-04T19:13:11Z",
    "title_canon_sha256": "e1f23f6f4e069dc13fe9a9ecd188d8d398bb6f9d9dd36262f182a011d1c7d71a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.02529",
    "kind": "arxiv",
    "version": 1
  }
}